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<article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Russian Journal of Allergy</journal-id><journal-title-group><journal-title xml:lang="en">Russian Journal of Allergy</journal-title><trans-title-group xml:lang="ru"><trans-title>Российский Аллергологический Журнал</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1810-8830</issn><issn publication-format="electronic">2686-682X</issn><publisher><publisher-name xml:lang="en">Publishing House ABV Press</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">369</article-id><article-id pub-id-type="doi">10.36691/RJA369</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Possibilities of preparation and storage of standard histamine solutions</article-title><trans-title-group xml:lang="ru"><trans-title>Изучение возможностей приготовления и хранения стандартных растворов гистамина</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Prylutskyi</surname><given-names>A S</given-names></name><name xml:lang="ru"><surname>Прилуцкий</surname><given-names>Александр Сергеевич</given-names></name></name-alternatives><email>aspr@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Tkachenko</surname><given-names>K Ye</given-names></name><name xml:lang="ru"><surname>Ткаченко</surname><given-names>К Е</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Rogovaia</surname><given-names>Yu D</given-names></name><name xml:lang="ru"><surname>Роговая</surname><given-names>Ю Д</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Abylgazinova</surname><given-names>N B</given-names></name><name xml:lang="ru"><surname>Абылгазинова</surname><given-names>Н Б</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Donetsk National Medical University named after Gorky</institution></aff><aff><institution xml:lang="ru">Донецкий национальный медицинский университет им. М. Горького</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2016-02-15" publication-format="electronic"><day>15</day><month>02</month><year>2016</year></pub-date><volume>13</volume><issue>1</issue><issue-title xml:lang="en">NO1 (2016)</issue-title><issue-title xml:lang="ru">№1 (2016)</issue-title><fpage>23</fpage><lpage>26</lpage><history><date date-type="received" iso-8601-date="2020-03-10"><day>10</day><month>03</month><year>2020</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2016, Pharmarus Print Media</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2016, Фармарус Принт Медиа</copyright-statement><copyright-year>2016</copyright-year><copyright-holder xml:lang="en">Pharmarus Print Media</copyright-holder><copyright-holder xml:lang="ru">Фармарус Принт Медиа</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/" start_date="2018-12-15"/></permissions><self-uri xlink:href="https://rusalljournal.ru/raj/article/view/369">https://rusalljournal.ru/raj/article/view/369</self-uri><abstract xml:lang="en"><p>Background. To explore the stability of histamine solutions of low concentrations sterilized by autoclaving and filtration as well as the possibilities of storage and use of these solutions after 1-fold and 5-fold freezing and defrosting. Methods. Histamine dihydrochloride solutions at a concentration of 10 μg/ml were sterilized by the membrane filtration or the autoclaving at 121 °C for 30 minutes. The solutions were frozen in sterile insulin syringes, followed by 1- and 5-fold defrosting. Skin prick tests have been performed with the resulting solutions. Results. When comparing the results of skin prick testing performed with autoclaved and sterilized by the filtration histamine, no statistically significant differences were found (p&gt;0,05). Comparison of the results of skin prick tests performed with histamine that hadn't been frozen before, after 1- and 5-fold freezing and defrosting showed no statistically significant differences (p&gt;0,05). Conclusion. It has been shown that histamine solutions sterilized by autoclaving at 121 °C for 30 minutes followed by repeated freezing and defrosting don’t change their biological activity substantially.</p></abstract><trans-abstract xml:lang="ru"><p>Цель. Исследовать стабильность растворов гистамина низкой концентрации при их стерилизации путем автоклавирования и фильтрации, а также возможности хранения и использования данных растворов после 1- и 5-кратной заморозки и разморозки. Материалы и методы. Растворы гистамина дигидрохлорида в концентрации 10 мкг/мл были стерилизованы мембранной фильтрацией или автоклавированием при 121 0С в течение 30 мин. Затем растворы были заморожены в стерильных инсулиновых шприцах с последующей 1- и 5-кратной разморозкой. С полученными растворами были проведены прик-тесты. Результаты. При сравнении результатов прик-тестов, выполненных с автоклавированным и стерилизованным фильтрацией гистамином, статистически значимых различий не выявлено (p&gt;0,05). Сравнение результатов прик-тестов, выполненных с гистамином, не проходившим заморозку, после 1- и 5-кратной заморозки и разморозки не показало статически значимых различий (p&gt;0,05). Заключение. Стерилизация растворов гистамина автоклавированием в режиме 121 оС в течение 30 мин с последующими многократными замораживаниями и размораживаниями не изменяет существенно их биологической активности.</p></trans-abstract><kwd-group xml:lang="en"><kwd>histamine</kwd><kwd>prick-test</kwd><kwd>storage</kwd><kwd>sterilization</kwd><kwd>autoclaving</kwd><kwd>membrane filtration</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>гистамин</kwd><kwd>прик-тест</kwd><kwd>хранение</kwd><kwd>стерилизация</kwd><kwd>автоклавирование</kwd><kwd>мембранная фильтрация</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Heinzerling L., Mari A., Bergmann K.C. et al. The skin prick test - European standards. 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